Mods

• AAK-47 [Resource]by SoldierThis mod adds legendary AK-47 as a usable weapon into Serious Sam 4 that can be either placed in custom levels by modders or be used with the help of NRM. Originally an NPC-exclusive weapon from levels in France, it is now a proper weapon :) It handles mostly like the standard M29 assault rifle,...3.0k downloadsupdated 5 y ago
• DDEATH PHYSICSby FakostAdds collision to dead enemies, now they can properly react to player's bullets, move and fall down according to all the laws of physics. And that's extremely fun, trust me3.0k downloadsupdated 5 y ago
• TThe Shrineby ThanadraxIt is not called like that for no reason Welcome to The Shrine - another SP/COOP episode from Sam's adventures, set on lonely islands among the ocean. Something evil is happening around, and you should get rid of it. In this mission, Sam is trying to have a vacation but ends up beating Mental's h...3.0k downloadsupdated 6 y ago
• TThe Sirian Star - WIPby StruppiDescription Welcome to The Sirian Star, a custom made campaign for Serious Sam 4. It tries to bring back the classic Serious Sam gameplay where you explore nice looking locations, become more and more powerful by collecting big guns and mow down lots of enemies within interesting designed encount...2.9k downloadsupdated 2 mo ago
• FFiendian Reptiloid Demon [ENEMY RESOURCE]by 76561198831734370Straight port from Serious Sam Fusion. No differences whatsoever. Update 1.01: - Texture update - Reduced Netricsa model size - Projectile made indestructible like in classics.2.8k downloadsupdated 5 y ago
• GGenshin Impact - Ganyuby NekorieWho needs an Amos' Bow when you've got a rocket launcher? Ganyu decided to relax a little bit after countless nights of overtime work. This is pretty much my first playermodel ... and I lost my sanity making this. Note that sometimes her arms may go through her body a little bit since she's prett...2.8k downloadsupdated 6 y ago
• FFixed normal mapsby moventoFixes the normal map of Sam his arms and hands. Now also fixes the reptiloid -Fixed Mikhail and the Beheaded their pants2.8k downloadsupdated 6 y ago
• PPyramid of Prophecyby 76561199192948673Brutal Serious Sam? Or maybe Super-Brutal-Serious-Sam-from-the-future with a fancy beard? This mysterious hero has already appeared in the original story campaign, helping us in the most desperate moments. But how many of his exploits have remained hidden from humanity? Sam knows the truth, but a...2.8k downloadsupdated 1 mo ago
• CContainer Castleby SkorlyContainer Castle is single player map that is set in a strange, volcanic and unfriendly place where all the buildings are made of containers. Stuck inside the Container Castle itself, Sam "Serious" Stone must find out of this sticky situation, although Mental's minions and the recent volcanic eru...2.8k downloadsupdated 5 y ago
• OOptimized Harpyby SoulmyrOptimizes the harpy's mesh in order to increase performance, and absolutely nothing else2.8k downloadsupdated 6 y ago
• SSnowmobile (Vehicle Resource)by RFCThis is a simple mod that makes the snowmobile ridable. The model was made by Croteam, and we have modified it to add the destruction effect and the ability to turn the handlebars. You can also press Shift to boost it. To use this mod, subscribe to it, open the editor, insert a new vehice entity...2.8k downloadsupdated 5 y ago
• MMachete (Weapon Resource)by PikaCommandoThe cut Machete, now restored as a custom weapon resource for modders to use. Primary fire to carve things up, secondary fire to throw it. You can't throw any more Machetes when you only have one left. Sadly, I was not able to get third-person animations to work when throwing machetes so Sam will...2.7k downloadsupdated 6 y ago
• SSP-R 208 [Resource]by Spy's Cr3edOk so... basically... It comes with Scoped and Sights variants [.:Highlights:.] * Intro animation * Netricsa message * ADS Post Processing * Dual Wielding (New) + NRM Support [.:Creds:.] IW - SP-R 208 Model & Textures, Sounds ------------------------------------- .:Future Updates:. As Steam doesn...2.7k downloadsupdated 5 y ago
• TThe Shattered Islesby RFCWelcome to The Shattered Isles. The Island was attacked by Mental forces, now you need to recover some important technologies. Your goal is to retrieve an upgraded version of a mech, located near the substation and deliver it to the extraction point. But as you know.. there's always a hiccup. Exp...2.7k downloadsupdated 5 y ago
• [[Weapon Resource] FN P90 and P-LAH Chainsawby ChrysalisFN P90 and P-LAH Weapons Resources for Serious Sam 4. Can be used in Akimbo. Can be reloaded... yes.... Has a Netricsa Message. Can use a scope. Can't shoot rockets. Can't be painted in your CSGO skins. All who touched this weapon will become Brony in 3... 2... 1... Done! About Chainsaw Can't be...2.7k downloadsupdated 5 y ago
• UUltra-Multirocketby NSKuberUltra-Multirocket modifies the Multirocket attachment for the Rocket Launcher, raising the maximum count of loaded rockets from 5 to 15. Note: this mod (as well as regular Multirocket) doesn't interact well with NRM's speed modifications.2.6k downloadsupdated 6 y ago
• SSirian Mutilator [Resource]by RoosevThe Sirian Mutilator is back! Functionality ported from SS3, re-animated using SS4 arms. (ONLY WORKS WITH STOCK SERIOUS SAM PLAYER MODEL!) Features: Works just like it's SS3 counterpart. Death, destruction and all! Is able to be picked up just like a normal weapon. Does not replace ANY game files...2.6k downloadsupdated 5 y ago
• GGnaar Pack [Enemy Resource]by AndreikiDescription New gnaars designed to diversify the game Gnaars includes new Design, Custom Message, Custom Destructions Yes, it's a recolor, ok and? List of Enemies Gnaar Mini Gnaar Demon Gnaar Aurigan Gnaar Albino Gnaar Female New Gnaar Male New Gnaar Male Aurigan Gnaar Male Albino This is a resou...2.6k downloadsupdated 5 y ago
• 77Smoke Racingby Pan7Smoke Racing is a feature complete racing mod for Serious Sam 4! Race in a variety of tracks over several Grand Prix Cups in competitive or time trial modes or hunt for treasure in the completely new versus mode - Gold Rush! Download it now from the Serious Sam 4 workshop! (You will need to rest...2.6k downloadsupdated 5 y ago
• IInventory Upgrade -- Max Ammo Capacity [Resource]by Spy's Cr3edOkay so... basically... this is an inventory upgrade that let you carry extra ammo of any type. It comes with +25/50/100% extra ammo capacity space. [.:Usage:.] Entity Type: Composite Entity Path: Content/SeriousSam4/Presets/CompositeEntities/InventoryUpgrade_MaxAmmoCapacity Special thanks to the...2.6k downloadsupdated 5 y ago
• LLaser Projectiles Replacementby NeiserDescription Unless you have bloom enabled, the laser projectile models in SS4 look like a white spaghetti noodle mixed with a glowstick. This mod will replace the models for the following: - Laser Rifle projectile model - Minor Biomechanoid laser projectile model - Octanian trooper laser projecti...2.5k downloadsupdated 4 y ago
• HHeadshot Trainingby PikaCommandoJust a small survival map with Processeds and Gamma Troopers to practice your headshots in.2.5k downloadsupdated 5 y ago
• FFROST COASTby FakostAfter another timelock malfunction you ended up in some frozen lands full of Mental's troops that are begging to be eliminated. What a nice place for a New Year vacation2.5k downloadsupdated 3 y ago
• EExitable Mechsby KolibriOS forth cpu greenarrayMakes you able to leave mechs and do mech fights on foot if you dare!2.4k downloadsupdated 6 y ago
• AA Seriously Stupid Planet Badass Remaster (Part 2)by Seriously StupidSecond part of files necessary for ASSPBR. Download the first part here:2.4k downloadsupdated 4 y ago
• RRecolored Health Pickupsby SoulmyrThis mod is not endorsed by the Red Cross2.4k downloadsupdated 6 y ago
• DDominate the Battlefield [Survival]by SeriousVovanThe lack of good combat in the original game led to the creation of this map for Survival. Tons of alien waves, frequent ammo respawns and many perks. The fight is going to be really serious! - 4 random types of survival - 6 additional random Harvester waves. Hear the sound - get ready! - 13 rand...2.4k downloadsupdated 6 y ago
• FFinal Solstice Campaign - Level 1: Crescent Starby NeiserUpdate Level 2 is out now! This map also received a small performance update (I doubt it's anything noticeable). Story Before the arrival of Mental's forces to Earth through the Tunguska portal, the EDF sent Serious Sam to find and stop the general in charge of the invasion. Now, it is up to Sam...2.4k downloadsupdated 4 y ago
• GGolden Deagle [REPLACEMENT]by 76561198862914821My first ever mod Recolors the deagle to be a golden deagle! Thumbnail and serious editor help by SashexSRB.2.4k downloadsupdated 6 y ago
• SSerious Sam 4 Italia Reworked (WIP)by MattStarChiefSerious Sam 4 Italia Reworked reworks the Italy chapter of the base game by speeding up the pacing, increasing the challenge of levels, and diversifying encounters. The idea of a fully reworked campaign has sadly been scrapped. Life is too busy and I can no longer dedicate the time necessary to c...2.3k downloadsupdated 4 y ago
• PPIKD-4000 (Monster Spawning)by NSKuberWARNING: When loading a savegame while using PIKD, best case all spawned monsters disappear, worst case your game may crash. It is therefore advised to use this mod in a Multiplayer game to avoid using saves. PIKD-4000 is a custom weapon resource. Use NRM to obtain it (NRM is required even if you...2.3k downloadsupdated 6 y ago
• ((UPDATE 1) Mystical Place 3 - The Finalby 76561199040911078Update log: -Changed a picture of 3 level. -Added some decorations in 3rd level to make it more beautiful. -Fixed balance in 3rd level. -Some secrets in 3rd has been changed and changed location. -Bike in 3rd level now standing on visible place. Roads in 3rd level are wider (here you go, fiendzy)...2.3k downloadsupdated 5 y ago
• AAdditional Destructionsby SoulmyrAdds C4 gibbing destructions to: - Pyro - Reptiloid - Arachnoid General - Biomech Major - Khnum - Scrapjack - Vampire2.3k downloadsupdated 6 y ago
• TThe Beetle (Custom Enemy Resource)by timilyo80Add the unused enemy "Beetle" back in the files with a proper .ep and .mdl for mappers to use. Basically, I saw that unused 3D model of that Beetle for TLH and decided to try to bring it back to life, cause I was bored. My 1st experimentation with puppets (da blue gnaar don't count, it was just a...2.3k downloadsupdated 6 y ago
• AAWP [Weapon Resource]by 76561198862914821AWP Weapon Resource Made by Peanut Serious Editor help by SashexSRB Damage: 180 You can use it in your campaigns2.2k downloadsupdated 5 y ago
• BBlackwater Cityby FinzyA custom campaign for Serious Sam 4 inspired by Ratchet & Clank! Story: In Solana Galaxy, Planet Rilgar has come under attack from Mental's forces. Captain Sam Stone receives a distress call and moves in to investigate. It seems the system's own defense forces are too busy at the moment, or so a...2.2k downloadsupdated 5 y ago
• SSS4R Weapon Packby MattStarChiefThis weapon pack is intended for use with Serious Sam 4 Italia Reworked. It can also be used in other levels including modded and official ones as it replaces the base game's weapons. This is an optional mod! It does not have to be installed to play the SS4R levels! The weapon changes were made s...2.2k downloadsupdated 4 y ago
• SSteak's Weapon Resource Packby steak jacobsLink to Weapon Replacement Versions: Contents AR, AS, Cannon, Devastator, SSG, Laser&DR, Minigun, NE Pistol, Magnum Pistol, Rocket, Shotgun&GL, Sniper 3 Variations Each: StandardPickup, RFCPickup, & NeiserPickup File Path: Serious Sam 4 > Content > SeriousSam4 > Steak's Mods > Steak's Weapon Reso...2.2k downloadsupdated 4 y ago
• MMaster Chief Player Modelsby PanCreated by Request. Master Chief from Halo 2 and Halo Infinite as a custom player model with first person hands, team colours and sounds. Halo 2 Chief Included Colours: Default Red Blue Steel Purple Gold Brown Model, sounds and textures belong to 343/Bungee.2.2k downloadsupdated 5 y ago
• TThe Sirian Star - WIP - Content Pack 1by StruppiDescription This is a content package for the custom campaign The Sirian Star. It is required to play the mentioned mod. Because of the great filze size, I had to split the content into multiple workshop packages. For more information, check out the custom campaign's main workshop page.2.2k downloadsupdated 5 mo ago
• MMaterial Overhaulby RoosevThis mod is a full overhaul of the surface materials present in SS4. This adds and fixes multiple missing particle and sound effect interactions between the surfaces, projectiles, enemies and weapons. This mod will also be supported fully (and very much used to it's maximum potential) by ECF when...2.2k downloadsupdated 1 mo ago
• SShotgun Dual-Wield reanimation [Replacement]by SoldierReplaces shotgun's default dual-wield/akimbo firing animation with a new cool-looking one. I've always felt that shotgun's dual-wield aka akimbo animation was underwhelming. I mean, it's pump-action when used with both hands, yet somehow rechambers itself like it's automatic(with delay also) when...2.1k downloadsupdated 4 y ago
• BBFE Sunglasses for Samby UrbanDeHumanThis simple mod replaces Sam's black sunglasses with the orange sporting glasses he wears in Serious Sam 3: BFE!2.1k downloadsupdated 6 y ago
• TThe Quick Encounter - Custom Campaignby SkorlyThere's something seriously suspicious going on in the ruins. Someone has to take a good look at what's going on there. And that someone just so happens to be you, Serious Sam. Travel to the ruins, and take care of this nonsense as soon as possible. Fight through 6 relatively short, but action pa...2.1k downloadsupdated 4 y ago
• SSeriously Stupid Modified Enemies (Resource Pack)by Seriously StupidReplacement pack version can be found here: An enemy pack for Serious Sam 4 based on experimental changes for A Breakfast in France Remastered. Files can be found in Content/SeriousSacor Special thanks to: - Danny S - scripting, effects, LOD modifications - Biomech - sounds - NSKuber - scripting...2.1k downloadsupdated 5 y ago
• DDuke Nukemby PanCreated by request. He's here to kick ass and chew bubblegum, and he's all out of gum! Duke Nukem is here to shove his boot up your ass, with his alter ego Doug Huggem in tow! Luckily Doug seems to have brought plenty of gum. This model taunts as you melee kill enemies, with Duke having 48 taunts...2.0k downloadsupdated 6 y ago
• AAdventures Of Pesko - WIPby MarkoJPlease be aware of the following changes: 1. No Further Updates:There will be no additional updates of patches released for "Adventures of Pesko". The current version available on the Steam Workshop will be the final iteration. 2. Technical Support: Unfortunately, I won't be able to provide ongoi...2.0k downloadsupdated 5 y ago
• RRe:Zero -- Emiliaby VanyarinCurrent Playermodel Version: v1_2 -- Read the Changelog / Update Notes here! Emilia, undisputed best girl not only of Re:Zero but in general is back in Serious Sam! The following mod adds すがきれもん's Emilia model as a playable character in Serious Sam 4, complete with custom melee sounds, first pers...2.0k downloadsupdated 6 y ago

599 mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.